CAS Haiyi gliders
A Chinese buoyancy-driven ocean-observation family, with scientific deployments and distinct deep-diving demonstrators.
- Country / region
- China
- Programme status
- In service / use documented
- Sources reviewed
- 21 Sept 2026
- Primary domain
- Underwater
- System type
- Underwater glider
- Developer / manufacturer
- Shenyang Institute of Automation, Chinese Academy of Sciences
- Origin / production countries
- China
- Other names
- Sea Wings
- Variants / configurations
- Haiyi 1000; Deep-diving Haiyi demonstrator
- Operators / programme customers
- Chinese oceanographic research expeditions
Evidence & current status
Academy pages include republished reports of scientific work. No naval acceptance or universal family performance envelope is established.
Role & capabilities
- Underwater survey
- Environmental assessment
Specifications in context
- Configuration
- Buoyancy-driven underwater glider family
Published configuration or reported trial baseline; not a guarantee for all variants.
Source ↗ - Hull / propulsion
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Dimensions
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Displacement / mass
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Payload
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Endurance
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Range
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Speed
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Operating depth
- 6,329 m reached by a deep-diving demonstrator in 2017
Record applies to that demonstrator, not all Haiyi variants.
Source ↗ - Sensors
- Temperature, salinity, turbidity and dissolved-oxygen observations in the 2020 expedition
Published configuration or reported trial baseline; not a guarantee for all variants.
Source ↗ - Communications / control
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗ - Launch / deployment
- Not established in the reviewed public sources.
Public evidence gap. No estimate or neighbouring variant value has been substituted.
Source ↗